/*
 * Copyright (c) 2001, Swedish Institute of Computer Science.
 * All rights reserved. 
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 * 1. Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the distribution. 
 * 3. Neither the name of the Institute nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software 
 *    without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
 * SUCH DAMAGE. 
 *
 * This file is part of the lwIP TCP/IP stack.
 * 
 * Author: Adam Dunkels <adam@sics.se>
 *
 * $Id: lwipopts.h,v 1.1.1.1 2003/02/19 02:42:23 skyeye Exp $
 */
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__

/* ---------- Memory options ---------- */
/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
   lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
   byte alignment -> define MEM_ALIGNMENT to 2. */
//yangye 2003-1-27
#define MEM_ALIGNMENT           4

/* MEM_SIZE: the size of the heap memory. If the application will send
a lot of data that needs to be copied, this should be set high. */
#define MEM_SIZE             	700000

/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
   sends a lot of data out of ROM (or other static memory), this
   should be set high. */
//#define MEMP_NUM_PBUF           16
#define MEMP_NUM_PBUF           32
/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
   per active UDP "connection". */
//#define MEMP_NUM_UDP_PCB        6
#define MEMP_NUM_UDP_PCB        32
/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
   connections. */
//#define MEMP_NUM_TCP_PCB        10
#define MEMP_NUM_TCP_PCB        32
/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
   connections. */
//#define MEMP_NUM_TCP_PCB_LISTEN 8
#define MEMP_NUM_TCP_PCB_LISTEN 32
/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
   segments. */
//#define MEMP_NUM_TCP_SEG        8
#define MEMP_NUM_TCP_SEG        128
/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
   timeouts. */
//#define MEMP_NUM_SYS_TIMEOUT    6
#define MEMP_NUM_SYS_TIMEOUT    32


/* The following four are used only with the sequential API and can be
   set to 0 if the application only will use the raw API. */
/* MEMP_NUM_NETBUF: the number of struct netbufs. */
#define MEMP_NUM_NETBUF         10
/* MEMP_NUM_NETCONN: the number of struct netconns. */
#define MEMP_NUM_NETCONN        10
/* MEMP_NUM_APIMSG: the number of struct api_msg, used for
   communication between the TCP/IP stack and the sequential
   programs. */
//#define MEMP_NUM_API_MSG        32
/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
   for sequential API communication and incoming packets. Used in
   src/api/tcpip.c. */
//#define MEMP_NUM_TCPIP_MSG      32

/* These two control is reclaimer functions should be compiled
   in. Should always be turned on (1). */
#define MEM_RECLAIM             1
#define MEMP_RECLAIM            1

/* ---------- Pbuf options ---------- */
/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
//yangye 2003-1-22
//seems there is something wrong when PBUF_POOL_SIZE = 6 
#define PBUF_POOL_SIZE          32

/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
#define PBUF_POOL_BUFSIZE       128

/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
   link level header. */
#define PBUF_LINK_HLEN          16

/* ---------- TCP options ---------- */
#define LWIP_TCP                1
#define TCP_TTL                 255

/* Controls if TCP should queue segments that arrive out of
   order. Define to 0 if your device is low on memory. */
#define TCP_QUEUE_OOSEQ         1

/* TCP Maximum segment size. */

#if 0
/*works with index = test1*/

#define TCP_MSS                 1450
#define TCP_SND_BUF             256
#define TCP_SND_QUEUELEN        20 * TCP_SND_BUF/TCP_MSS 

#else

#define TCP_MSS                 1450
#define TCP_SND_BUF             (TCP_MSS<<1)
#define TCP_SND_QUEUELEN        32 * TCP_SND_BUF/TCP_MSS
#define TCP_WND                 (TCP_MSS<<1)

#endif



/* TCP sender buffer space (bytes). */
//#define TCP_SND_BUF             (TCP_MSS<<1)

/* TCP sender buffer space (pbufs). This must be at least = 2 *
   TCP_SND_BUF/TCP_MSS for things to work. */

/*works with index = test1*/
//#define TCP_SND_QUEUELEN        20 * TCP_SND_BUF/TCP_MSS 

#define TCP_SNDLOWAT                    TCP_SND_BUF/2

/* TCP receive window. */

/* Maximum number of retransmissions of data segments. */
#define TCP_MAXRTX              10

/* Maximum number of retransmissions of SYN segments. */
#define TCP_SYNMAXRTX           10

/* ---------- ARP options ---------- */
#define ARP_TABLE_SIZE 10

/* ---------- IP options ---------- */
/* Define IP_FORWARD to 1 if you wish to have the ability to forward
   IP packets across network interfaces. If you are going to run lwIP
   on a device with only one network interface, define this to 0. */
#define IP_FORWARD              1

/* If defined to 1, IP options are allowed (but not parsed). If
   defined to 0, all packets with IP options are dropped. */
#define IP_OPTIONS              1

/* ---------- ICMP options ---------- */
#define ICMP_TTL                255


/* ---------- DHCP options ---------- */
/* Define LWIP_DHCP to 1 if you want DHCP configuration of
   interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
   turning this on does currently not work. */
//#define LWIP_DHCP               0

/* 1 if you want to do an ARP check on the offered address
   (recommended). */
#define DHCP_DOES_ARP_CHECK     1

/* ---------- UDP options ---------- */
#define LWIP_UDP                1
#define UDP_TTL                 255

#define	LWIP_DHCP				1
#define LWIP_ARP				1

/* ---------- Statistics options ---------- */
//#define STATS

#ifdef STATS
#define LINK_STATS
#define IP_STATS
#define ICMP_STATS
#define UDP_STATS
#define TCP_STATS
#define MEM_STATS
#define MEMP_STATS
#define PBUF_STATS
#define SYS_STATS
#endif /* STATS */

#ifndef NULL
#define NULL	((void*)0)
#endif

#ifndef LWIP_PROVIDE_ERRNO
#define LWIP_PROVIDE_ERRNO 1
#endif

#define LWIP_HAVE_LOOPIF 1

#if 1
#define DEBUG_CS8900
#else 
#undef DEBUG_CS8900
#endif

#ifdef DEBUG_CS8900
#define debug_cs8900(str,arg...) print(str"\n",##arg)
//#define debug_cs8900(str,arg...) print("%s:%d - "str"\n",__FILE__,__LINE__,##arg)
#else
#define debug_cs8900(str,...)
#endif

#define LWIP_RAW 1


void	print(char *fmt, ...);
void memset(void *dest, char c, int len);

#define U16_F "d"
#define S16_F "d"
#define S32_F "d"
#define X16_F "x"
#define X32_F "x"
#define U32_F "x"

#endif /* __LWIPOPTS_H__ */
